Home / 54,267.37-81,390.12-16,818.49

Finding the Fourth Proportional to 54,267.37, 81,390.12 and 16,818.49

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Solution

The fourth proportional to 54,267.37, 81,390.12 and 16,818.49 is: 25,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,267.37 : 81,390.12 = 16,818.49 : x
  2. Step 2: Convert to fraction form
    54,267.37/81,390.12 = 16,818.49/x
  3. Step 3: Cross multiply
    54,267.37x = 81,390.12 × 16,818.49
  4. Step 4: Simplify right side
    54,267.37x = 1,368,858,500.17
  5. Step 5: Solve for x
    x = 1,368,858,500.17/54,267.37
  6. Step 6: Final answer
    x = 25,224.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.